申请人:Mitsubishi Chemical Industries Limited
公开号:US04810805A1
公开(公告)日:1989-03-07
There are disclosed a (2-chloro-3-oxo-1-alkenyl)-bicyclo[3.3.0 octene derivative represented by the formula: ##STR1## wherein R.sup.1 represents --CH.sub.2 CH.sub.2 CH.sub.2 COOR.sup.5, --CH.sub.2 CH.sub.2 --O--CH.sub.2 COOR.sup.5, --CH.dbd.CHCH.sub.2 COOR.sup.5 or --CH.sub.2 CH.sub.2 C.tbd.C--COOR.sup.5 group where R.sup.5 in the groups represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R.sup.2 represents a hydrogen atom, an acyl group having 1 to 7 carbon atoms, a tri(1 to 7 carbon atoms)-hydrocarbylsilyl group or a group forming an acetal bonding with an oxygen atom of a hydroxy group; R.sup.3 represents a straight or branched alkyl group having 3 to 10 carbon atoms, a cycloalkyl group having 4 to 7 carbon atoms, which may be substituted by at least one alkyl group having 1 to 4 carbon atoms, a straight or branched alkenyl group having 3 to 12 carbom atoms, a straight or branched alkynyl group having 3 to 8 carbon atoms, a phenyl group or a phenoxy group which may have substituents, an alkoxy group having 1 to 6 carbon atoms or an alkyl group substituted by a cycloalkyl group having 5 to 8 carbon atoms, and a process for preparing the same which comprises reacting an aldehyde represented by the formula: ##STR2## wherein R.sup.1 and R.sup.2 have the same meanings as defined above, with kotophosphonate represented by the formula: ##STR3## wherein R.sup.3 has the same meaning as defined above and R.sup.4 represents an alkyl group having 1 to 10 carbon atoms, in the presence of a base.
公开了一种(2-氯-3-酮基-1-烯基)-双环[3.3.0]辛烷衍生物,其表示为以下式子:##STR1##其中,R1表示--CH2CH2CH2COOR5、--CH2CH2--O--CH2COOR5、--CH.dbd.CHCH2COOR5或--CH2CH2C.tbd.C--COOR5基团,其中,上述基团中的R5表示氢原子或具有1至6个碳原子的烷基基团;R2表示氢原子、具有1至7个碳原子的酰基基团、三(具有1至7个碳原子的)氢碳基硅基团或与羟基团的氧原子形成缩醛键的基团;R3表示具有3至10个碳原子的直链或支链烷基基团、具有4至7个碳原子的环烷基基团,其可以被至少一个具有1至4个碳原子的烷基基团取代、具有3至12个碳原子的直链或支链烯基基团、具有3至8个碳原子的直链或支链炔基基团、苯基或苯氧基,其可以具有取代基、具有1至6个碳原子的烷氧基或被具有5至8个碳原子的环烷基取代的烷基基团;以及一种制备该衍生物的方法,其包括在碱的存在下将以下式子所表示的醛:##STR2##其中,R1和R2具有与上述定义相同的含义,与以下式子所表示的kotophosphonate反应:##STR3##其中,R3具有与上述定义相同的含义,R4表示具有1至10个碳原子的烷基基团。